package com.wx.chapter13.system_;

import java.math.BigInteger;
import java.util.Arrays;

/**
 * @Author : 佩萁
 * Description :
 * @Create : 2023/7/24 - 17:02
 */
public class System_ {
    public static void main(String[] args) {
//        System.out.println("ok1");
//        System.exit(0);//正常退出程序
//        System.out.println("ok2");
        int[] src = {1, 2, 3};
        int[] dest = new int[3];
        System.arraycopy(src, 0, dest, 0, src.length);
        System.out.println("dext= " + Arrays.toString(dest));
        System.out.println(System.currentTimeMillis());
        long a = 1690189509977L;
        long b = 31536000000L;
        System.out.println(a / (b));
    }
}
